mirror of
https://gitee.com/ant-design-blazor/ant-design-blazor.git
synced 2024-12-05 13:37:35 +08:00
243 lines
6.3 KiB
C#
243 lines
6.3 KiB
C#
using Microsoft.AspNetCore.Components;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace AntDesign
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{
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public partial class Menu : AntDomComponentBase
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{
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[CascadingParameter(Name = "PrefixCls")]
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public string PrefixCls { get; set; } = "ant-menu";
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[CascadingParameter]
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public Sider Parent { get; set; }
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[Parameter]
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public MenuTheme Theme { get; set; } = MenuTheme.Light;
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[Parameter]
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public MenuMode Mode { get; set; } = MenuMode.Vertical;
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[Parameter]
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public RenderFragment ChildContent { get; set; }
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[Parameter]
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public EventCallback<SubMenu> OnSubmenuClicked { get; set; }
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[Parameter]
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public EventCallback<MenuItem> OnMenuItemClicked { get; set; }
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[Parameter]
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public bool Accordion { get; set; }
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[Parameter]
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public bool Selectable { get; set; } = true;
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[Parameter]
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public bool InlineCollapsed { get; set; }
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[Parameter]
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public IEnumerable<string> DefaultSelectedKeys { get; set; } = new List<string>();
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[Parameter]
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public IEnumerable<string> DefaultOpenKeys { get; set; } = new List<string>();
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[Parameter]
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public string[] OpenKeys
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{
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get => _openKeys ?? Array.Empty<string>();
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set
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{
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_openKeys = value;
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HandleOpenKeySet();
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}
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}
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[Parameter]
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public EventCallback<string[]> OpenKeysChanged { get; set; }
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[Parameter]
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public EventCallback<string[]> OnOpenChange { get; set; }
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[Parameter]
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public string[] SelectedKeys
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{
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get => _selectedKeys ?? Array.Empty<string>();
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set
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{
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_selectedKeys = value;
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}
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}
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[Parameter]
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public EventCallback<string[]> SelectedKeysChanged { get; set; }
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internal MenuMode InternalMode { get; private set; }
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private bool _collapsed;
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private string[] _openKeys;
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private string[] _selectedKeys;
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public List<SubMenu> Submenus { get; set; } = new List<SubMenu>();
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public List<MenuItem> MenuItems { get; set; } = new List<MenuItem>();
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public void SelectItem(MenuItem item)
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{
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if (item == null)
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{
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return;
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}
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foreach (MenuItem menuitem in MenuItems.Where(x => x != item))
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{
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menuitem.Deselect();
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}
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if (!item.IsSelected)
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{
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item.Select();
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}
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else
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{
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item.Deselect();
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}
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StateHasChanged();
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if (OnMenuItemClicked.HasDelegate)
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OnMenuItemClicked.InvokeAsync(item);
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_selectedKeys = MenuItems.Where(x => x.IsSelected).Select(x => x.Key).ToArray();
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if (SelectedKeysChanged.HasDelegate)
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SelectedKeysChanged.InvokeAsync(_selectedKeys);
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}
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public void SelectSubmenu(SubMenu menu)
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{
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if (menu == null)
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{
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return;
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}
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if (Accordion)
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{
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foreach (SubMenu item in Submenus.Where(x => x != menu && x != menu.Parent))
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{
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item.Close();
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}
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}
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if (menu.IsOpen)
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{
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menu.Close();
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}
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else
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{
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menu.Open();
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}
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if (OnSubmenuClicked.HasDelegate)
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OnSubmenuClicked.InvokeAsync(menu);
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var openKeys = Submenus.Where(x => x.IsOpen).Select(x => x.Key).ToArray();
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HandleOpenChange(openKeys);
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StateHasChanged();
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}
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private void SetClass()
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{
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ClassMapper
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.Clear()
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.Add(PrefixCls)
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.Add($"{PrefixCls}-root")
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.Add($"{PrefixCls}-{Theme}")
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.Add($"{PrefixCls}-{InternalMode}")
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.If($"{PrefixCls}-inline-collapsed", () => _collapsed)
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.If($"{PrefixCls}-unselectable", () => !Selectable);
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}
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protected override void OnInitialized()
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{
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base.OnInitialized();
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if (InternalMode != MenuMode.Inline && _collapsed)
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throw new ArgumentException($"{nameof(Menu)} in the {Mode} mode cannot be {nameof(InlineCollapsed)}");
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InternalMode = Mode;
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if (Parent != null)
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{
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Parent.OnCollapsed += Update;
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}
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SetClass();
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}
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protected override void OnParametersSet()
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{
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base.OnParametersSet();
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if (Parent == null)
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{
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this._collapsed = InlineCollapsed;
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}
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Update(_collapsed);
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SetClass();
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}
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public void Update(bool collapsed)
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{
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this._collapsed = collapsed;
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if (collapsed)
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{
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InternalMode = MenuMode.Vertical;
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foreach (SubMenu item in Submenus)
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{
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item.Close();
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}
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HandleOpenChange(Array.Empty<string>());
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}
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else
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{
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InternalMode = Mode;
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}
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}
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private void HandleOpenChange(string[] openKeys)
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{
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this._openKeys = openKeys;
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if (OnOpenChange.HasDelegate)
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OnOpenChange.InvokeAsync(openKeys);
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if (OpenKeysChanged.HasDelegate)
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OpenKeysChanged.InvokeAsync(openKeys);
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}
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private void HandleOpenKeySet()
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{
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foreach (SubMenu item in Submenus.Where(x => x.Key.IsIn(this.OpenKeys)))
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{
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item.Open();
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}
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foreach (SubMenu item in Submenus.Where(x => !x.Key.IsIn(this.OpenKeys)))
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{
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item.Close();
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}
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StateHasChanged();
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}
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protected override void Dispose(bool disposing)
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{
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if (Parent != null)
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{
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Parent.OnCollapsed -= Update;
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}
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base.Dispose(disposing);
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}
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}
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}
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